人教九年级全一册Unit13SectionA1a-1c课件

air pollution The factories that burn coal pollute the air with a lot of black smoke. n. 煤炭 Factories put waste into the river. water pollution mobile phone pollution litter v. 乱扔 n. 垃圾 rubbish waste 垃圾，废弃物 People should throw away litter in the bin. n. 垃圾箱 noise pollution There are more cars on the road. 1a Here are some words related to different kinds of pollution. Write them in the box below. Then add more words. noise pollution ____________ ____________ ____________ ____________ air pollution ___________ ___________ ___________ ___________ water pollution ____________ ____________ ____________ ____________ loud music planes mobile phones factories cars smoking ships factories littering rubbish building housesbuilding houses loud music cars rubbish planes littering ships factories smoking building houses mobile phones 1b Listen and complete the sentences. What was the problem? The river was _____________. Even the bottom (底部) of the river was full of _________. There were no more ______ for fishermen (渔民) to catch. really dirty rubbish fish What caused the problem? People are throwing _______ into the river. Factories are putting ______ into the river. How should the problem be solved? We should write to the ____________ and ask them to ___________ the factories. Everyone should help to __________ the river. litter waste government close down clean up Listen again and answer the following questions. 1. What does Tony want to do later this afternoon? He wants to go swimming with Mark in the river later this afternoon. 2. Why doesn’t Mark want to go with Tony? Because the river was really dirty. Even the bottom of the river was full of rubbish, and there were no more fish for fishermen to catch. 3. How was the river in the past? It used to be so clean. It has been the nicest river in this town. 1c The river was dirty. Even the bottom of the river was full of rubbish. But it used to be so clean! Yes, but people are throwing litter into the river. Everyone in this town should play a part in cleaning it up! Make conversations using the words in 1a. The river has always been the nicest river in this town. Yes, it used to be so clean. What caused the problem? But I was there last weekend and the river was really dirty. Factories are also putting waste into the river. People are throwing litter into the river. What should we do? We should write to the government and ask them to close down the factories. What else can we do? Everyone should help to clean up the river. 1. We’re trying to save the earth! 我们正在竭尽全力拯救地球! try to do =try one’s best to do 努力去做某事 e.g. We’ll try to finish the work in a week. 我们将努力在一周内完成这项 工作。 【运用】 我会尽力做好这项工作。 ___________________________________I’ll try to do the work well. 3. Even the bottom of the river was full of rubbish. Yes, but people are throwing litter into the river. litter和rubbish都可指“垃圾”，用作不 可数名词。 rubbish指“没用的东西(被扔或将要丢弃 的无用的东西)”不可回收。 litter指“(室内或公共场所)乱扔的废物(纸 屑、不要的包装纸、废瓶等)”还可回收。 【运用】根据句意用rubbish或litter完成 句子。 1. Throw the ________ out. 把垃圾扔出去。 2. The room is full of _______. 房间里堆满了垃圾。 3. Pick up your _______ after a picnic. 野餐后将废弃物收拾好。 rubbish rubbish litter And remember to throw rubbish in the bins and keep public places clean and beautiful for everyone. So together, our actions can make a difference and lead to a better future! The earth is badly polluted. Please make a poster and think of what we can do. 1. Copy the new words and remember them. 2. Read the listening materials of 1b, 2a.